| 1 |
<?php |
| 2 |
/** |
| 3 |
* REST API: WP_REST_Widgets_Controller class |
| 4 |
* |
| 5 |
* @package Gutenberg |
| 6 |
*/ |
| 7 |
|
| 8 |
/** |
| 9 |
* Core class representing a controller for widgets. |
| 10 |
*/ |
| 11 |
class WP_REST_Widgets_Controller extends WP_REST_Controller { |
| 12 |
|
| 13 |
/** |
| 14 |
* Widgets controller constructor. |
| 15 |
*/ |
| 16 |
public function __construct() { |
| 17 |
$this->namespace = 'wp/v2'; |
| 18 |
$this->rest_base = 'widgets'; |
| 19 |
} |
| 20 |
|
| 21 |
/** |
| 22 |
* Registers the widget routes for the controller. |
| 23 |
*/ |
| 24 |
public function register_routes() { |
| 25 |
register_rest_route( |
| 26 |
$this->namespace, |
| 27 |
$this->rest_base, |
| 28 |
array( |
| 29 |
array( |
| 30 |
'methods' => WP_REST_Server::READABLE, |
| 31 |
'callback' => array( $this, 'get_items' ), |
| 32 |
'permission_callback' => array( $this, 'get_items_permissions_check' ), |
| 33 |
'args' => $this->get_collection_params(), |
| 34 |
), |
| 35 |
array( |
| 36 |
'methods' => WP_REST_Server::CREATABLE, |
| 37 |
'callback' => array( $this, 'create_item' ), |
| 38 |
'permission_callback' => array( $this, 'create_item_permissions_check' ), |
| 39 |
'args' => $this->get_endpoint_args_for_item_schema(), |
| 40 |
), |
| 41 |
'allow_batch' => array( 'v1' => true ), |
| 42 |
'schema' => array( $this, 'get_public_item_schema' ), |
| 43 |
) |
| 44 |
); |
| 45 |
|
| 46 |
register_rest_route( |
| 47 |
$this->namespace, |
| 48 |
$this->rest_base . '/(?P<id>[\w\-]+)', |
| 49 |
array( |
| 50 |
array( |
| 51 |
'methods' => WP_REST_Server::READABLE, |
| 52 |
'callback' => array( $this, 'get_item' ), |
| 53 |
'permission_callback' => array( $this, 'get_item_permissions_check' ), |
| 54 |
'args' => array( |
| 55 |
'context' => $this->get_context_param( array( 'default' => 'view' ) ), |
| 56 |
), |
| 57 |
), |
| 58 |
array( |
| 59 |
'methods' => WP_REST_Server::EDITABLE, |
| 60 |
'callback' => array( $this, 'update_item' ), |
| 61 |
'permission_callback' => array( $this, 'update_item_permissions_check' ), |
| 62 |
'args' => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ), |
| 63 |
), |
| 64 |
array( |
| 65 |
'methods' => WP_REST_Server::DELETABLE, |
| 66 |
'callback' => array( $this, 'delete_item' ), |
| 67 |
'permission_callback' => array( $this, 'delete_item_permissions_check' ), |
| 68 |
'args' => array( |
| 69 |
'force' => array( |
| 70 |
'description' => __( 'Whether to force removal of the widget, or move it to the inactive sidebar.', 'gutenberg' ), |
| 71 |
'type' => 'boolean', |
| 72 |
), |
| 73 |
), |
| 74 |
), |
| 75 |
'allow_batch' => array( 'v1' => true ), |
| 76 |
'schema' => array( $this, 'get_public_item_schema' ), |
| 77 |
) |
| 78 |
); |
| 79 |
} |
| 80 |
|
| 81 |
/** |
| 82 |
* Checks if a given request has access to get widgets. |
| 83 |
* |
| 84 |
* @since 5.6.0 |
| 85 |
* |
| 86 |
* @param WP_REST_Request $request Full details about the request. |
| 87 |
* @return true|WP_Error True if the request has read access, WP_Error object otherwise. |
| 88 |
*/ |
| 89 |
public function get_items_permissions_check( $request ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
| 90 |
return $this->permissions_check(); |
| 91 |
} |
| 92 |
|
| 93 |
/** |
| 94 |
* Retrieves a collection of widgets. |
| 95 |
* |
| 96 |
* @since 5.6.0 |
| 97 |
* |
| 98 |
* @param WP_REST_Request $request Full details about the request. |
| 99 |
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure. |
| 100 |
*/ |
| 101 |
public function get_items( $request ) { |
| 102 |
$prepared = array(); |
| 103 |
|
| 104 |
foreach ( wp_get_sidebars_widgets() as $sidebar_id => $widget_ids ) { |
| 105 |
if ( isset( $request['sidebar'] ) && $sidebar_id !== $request['sidebar'] ) { |
| 106 |
continue; |
| 107 |
} |
| 108 |
|
| 109 |
foreach ( $widget_ids as $widget_id ) { |
| 110 |
$response = $this->prepare_item_for_response( compact( 'sidebar_id', 'widget_id' ), $request ); |
| 111 |
|
| 112 |
if ( ! is_wp_error( $response ) ) { |
| 113 |
$prepared[] = $this->prepare_response_for_collection( $response ); |
| 114 |
} |
| 115 |
} |
| 116 |
} |
| 117 |
|
| 118 |
return new WP_REST_Response( $prepared ); |
| 119 |
} |
| 120 |
|
| 121 |
/** |
| 122 |
* Checks if a given request has access to get a widget. |
| 123 |
* |
| 124 |
* @since 5.6.0 |
| 125 |
* |
| 126 |
* @param WP_REST_Request $request Full details about the request. |
| 127 |
* @return true|WP_Error True if the request has read access, WP_Error object otherwise. |
| 128 |
*/ |
| 129 |
public function get_item_permissions_check( $request ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
| 130 |
return $this->permissions_check(); |
| 131 |
} |
| 132 |
|
| 133 |
/** |
| 134 |
* Gets an individual widget. |
| 135 |
* |
| 136 |
* @since 5.6.0 |
| 137 |
* |
| 138 |
* @param WP_REST_Request $request Full details about the request. |
| 139 |
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure. |
| 140 |
*/ |
| 141 |
public function get_item( $request ) { |
| 142 |
$widget_id = $request['id']; |
| 143 |
$sidebar_id = $this->find_widgets_sidebar( $widget_id ); |
| 144 |
|
| 145 |
if ( is_wp_error( $sidebar_id ) ) { |
| 146 |
return $sidebar_id; |
| 147 |
} |
| 148 |
|
| 149 |
return $this->prepare_item_for_response( compact( 'sidebar_id', 'widget_id' ), $request ); |
| 150 |
} |
| 151 |
|
| 152 |
/** |
| 153 |
* Checks if a given request has access to create widgets. |
| 154 |
* |
| 155 |
* @since 5.6.0 |
| 156 |
* |
| 157 |
* @param WP_REST_Request $request Full details about the request. |
| 158 |
* @return true|WP_Error True if the request has read access, WP_Error object otherwise. |
| 159 |
*/ |
| 160 |
public function create_item_permissions_check( $request ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
| 161 |
return $this->permissions_check(); |
| 162 |
} |
| 163 |
|
| 164 |
/** |
| 165 |
* Creates a widget. |
| 166 |
* |
| 167 |
* @since 5.6.0 |
| 168 |
* |
| 169 |
* @param WP_REST_Request $request Full details about the request. |
| 170 |
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure. |
| 171 |
*/ |
| 172 |
public function create_item( $request ) { |
| 173 |
$sidebar_id = $request['sidebar']; |
| 174 |
|
| 175 |
$backup_post = $_POST; |
| 176 |
$widget_id = $this->save_widget( $request ); |
| 177 |
$_POST = $backup_post; |
| 178 |
|
| 179 |
$this->assign_to_sidebar( $widget_id, $sidebar_id ); |
| 180 |
|
| 181 |
$request['context'] = 'edit'; |
| 182 |
|
| 183 |
$response = $this->prepare_item_for_response( compact( 'sidebar_id', 'widget_id' ), $request ); |
| 184 |
|
| 185 |
if ( is_wp_error( $response ) ) { |
| 186 |
return $response; |
| 187 |
} |
| 188 |
|
| 189 |
$response->set_status( 201 ); |
| 190 |
|
| 191 |
return $response; |
| 192 |
} |
| 193 |
|
| 194 |
/** |
| 195 |
* Checks if a given request has access to update widgets. |
| 196 |
* |
| 197 |
* @since 5.6.0 |
| 198 |
* |
| 199 |
* @param WP_REST_Request $request Full details about the request. |
| 200 |
* @return true|WP_Error True if the request has read access, WP_Error object otherwise. |
| 201 |
*/ |
| 202 |
public function update_item_permissions_check( $request ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
| 203 |
return $this->permissions_check(); |
| 204 |
} |
| 205 |
|
| 206 |
/** |
| 207 |
* Updates an existing widget. |
| 208 |
* |
| 209 |
* @since 5.6.0 |
| 210 |
* |
| 211 |
* @param WP_REST_Request $request Full details about the request. |
| 212 |
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure. |
| 213 |
*/ |
| 214 |
public function update_item( $request ) { |
| 215 |
$widget_id = $request['id']; |
| 216 |
$sidebar_id = $this->find_widgets_sidebar( $widget_id ); |
| 217 |
|
| 218 |
if ( is_wp_error( $sidebar_id ) ) { |
| 219 |
// Allow for an update request to a reference widget if the widget hasn't been assigned to a sidebar yet. |
| 220 |
if ( $request['sidebar'] && $this->is_reference_widget( $widget_id ) ) { |
| 221 |
$sidebar_id = $request['sidebar']; |
| 222 |
$this->assign_to_sidebar( $widget_id, $sidebar_id ); |
| 223 |
} else { |
| 224 |
return $sidebar_id; |
| 225 |
} |
| 226 |
} |
| 227 |
|
| 228 |
$backup_post = $_POST; |
| 229 |
|
| 230 |
if ( isset( $request['settings'] ) ) { |
| 231 |
$this->save_widget( $request ); |
| 232 |
} |
| 233 |
|
| 234 |
$_POST = $backup_post; |
| 235 |
|
| 236 |
if ( isset( $request['sidebar'] ) && $request['sidebar'] !== $sidebar_id ) { |
| 237 |
$sidebar_id = $request['sidebar']; |
| 238 |
$this->assign_to_sidebar( $widget_id, $sidebar_id ); |
| 239 |
} |
| 240 |
|
| 241 |
$request['context'] = 'edit'; |
| 242 |
|
| 243 |
return $this->prepare_item_for_response( compact( 'sidebar_id', 'widget_id' ), $request ); |
| 244 |
} |
| 245 |
|
| 246 |
/** |
| 247 |
* Checks if a given request has access to delete widgets. |
| 248 |
* |
| 249 |
* @since 5.6.0 |
| 250 |
* |
| 251 |
* @param WP_REST_Request $request Full details about the request. |
| 252 |
* @return true|WP_Error True if the request has read access, WP_Error object otherwise. |
| 253 |
*/ |
| 254 |
public function delete_item_permissions_check( $request ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
| 255 |
return $this->permissions_check(); |
| 256 |
} |
| 257 |
|
| 258 |
/** |
| 259 |
* Deletes a widget. |
| 260 |
* |
| 261 |
* @since 5.6.0 |
| 262 |
* |
| 263 |
* @param WP_REST_Request $request Full details about the request. |
| 264 |
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure. |
| 265 |
*/ |
| 266 |
public function delete_item( $request ) { |
| 267 |
$widget_id = $request['id']; |
| 268 |
$sidebar_id = $this->find_widgets_sidebar( $widget_id ); |
| 269 |
|
| 270 |
if ( is_wp_error( $sidebar_id ) ) { |
| 271 |
return $sidebar_id; |
| 272 |
} |
| 273 |
|
| 274 |
$request['context'] = 'edit'; |
| 275 |
|
| 276 |
if ( $request['force'] ) { |
| 277 |
$prepared = $this->prepare_item_for_response( compact( 'sidebar_id', 'widget_id' ), $request ); |
| 278 |
$this->assign_to_sidebar( $widget_id, null ); |
| 279 |
$prepared->set_data( |
| 280 |
array( |
| 281 |
'deleted' => true, |
| 282 |
'previous' => $prepared->get_data(), |
| 283 |
) |
| 284 |
); |
| 285 |
} else { |
| 286 |
$this->assign_to_sidebar( $widget_id, 'wp_inactive_widgets' ); |
| 287 |
$prepared = $this->prepare_item_for_response( |
| 288 |
array( |
| 289 |
'sidebar_id' => 'wp_inactive_widgets', |
| 290 |
'widget_id' => $widget_id, |
| 291 |
), |
| 292 |
$request |
| 293 |
); |
| 294 |
} |
| 295 |
|
| 296 |
return $prepared; |
| 297 |
} |
| 298 |
|
| 299 |
/** |
| 300 |
* Assigns a widget to the given sidebar. |
| 301 |
* |
| 302 |
* @param string $widget_id The widget id to assign. |
| 303 |
* @param string $sidebar_id The sidebar id to assign to. |
| 304 |
*/ |
| 305 |
protected function assign_to_sidebar( $widget_id, $sidebar_id ) { |
| 306 |
$sidebars = wp_get_sidebars_widgets(); |
| 307 |
|
| 308 |
foreach ( $sidebars as $maybe_sidebar_id => $widgets ) { |
| 309 |
foreach ( $widgets as $i => $maybe_widget_id ) { |
| 310 |
if ( $widget_id === $maybe_widget_id && $sidebar_id !== $maybe_sidebar_id ) { |
| 311 |
unset( $sidebars[ $maybe_sidebar_id ][ $i ] ); |
| 312 |
// We could technically break 2 here, but continue looping in case the id is duplicated. |
| 313 |
continue 2; |
| 314 |
} |
| 315 |
} |
| 316 |
} |
| 317 |
|
| 318 |
if ( $sidebar_id ) { |
| 319 |
$sidebars[ $sidebar_id ][] = $widget_id; |
| 320 |
} |
| 321 |
|
| 322 |
wp_set_sidebars_widgets( $sidebars ); |
| 323 |
} |
| 324 |
|
| 325 |
/** |
| 326 |
* Performs a permissions check for managing widgets. |
| 327 |
* |
| 328 |
* @return true|WP_Error |
| 329 |
*/ |
| 330 |
protected function permissions_check() { |
| 331 |
if ( ! current_user_can( 'edit_theme_options' ) ) { |
| 332 |
return new WP_Error( |
| 333 |
'rest_cannot_manage_widgets', |
| 334 |
__( 'Sorry, you are not allowed to manage widgets on this site.', 'gutenberg' ), |
| 335 |
array( |
| 336 |
'status' => rest_authorization_required_code(), |
| 337 |
) |
| 338 |
); |
| 339 |
} |
| 340 |
|
| 341 |
return true; |
| 342 |
} |
| 343 |
|
| 344 |
/** |
| 345 |
* Finds the sidebar a widget belongs to. |
| 346 |
* |
| 347 |
* @param string $widget_id The widget id to search for. |
| 348 |
* @return string|WP_Error The found sidebar id, or a WP_Error instance if it does not exist. |
| 349 |
*/ |
| 350 |
protected function find_widgets_sidebar( $widget_id ) { |
| 351 |
foreach ( wp_get_sidebars_widgets() as $sidebar_id => $widget_ids ) { |
| 352 |
foreach ( $widget_ids as $maybe_widget_id ) { |
| 353 |
if ( $maybe_widget_id === $widget_id ) { |
| 354 |
return (string) $sidebar_id; |
| 355 |
} |
| 356 |
} |
| 357 |
} |
| 358 |
|
| 359 |
return new WP_Error( 'rest_widget_not_found', __( 'No widget was found with that id.', 'gutenberg' ), array( 'status' => 404 ) ); |
| 360 |
} |
| 361 |
|
| 362 |
/** |
| 363 |
* Saves the widget in the request object. |
| 364 |
* |
| 365 |
* @param WP_REST_Request $request Full details about the request. |
| 366 |
* |
| 367 |
* @return string |
| 368 |
*/ |
| 369 |
protected function save_widget( $request ) { |
| 370 |
global $wp_registered_widget_updates, $wp_registered_widgets; |
| 371 |
|
| 372 |
$input_widget = $request->get_params(); |
| 373 |
|
| 374 |
if ( isset( $input_widget['id'] ) && ! $this->is_reference_widget( $input_widget['id'] ) ) { |
| 375 |
$widget = $wp_registered_widgets[ $input_widget['id'] ]; |
| 376 |
|
| 377 |
$input_widget['number'] = (int) $widget['params'][0]['number']; |
| 378 |
$input_widget['id_base'] = _get_widget_id_base( $input_widget['id'] ); |
| 379 |
} |
| 380 |
|
| 381 |
ob_start(); |
| 382 |
if ( isset( $input_widget['id_base'] ) && isset( $wp_registered_widget_updates[ $input_widget['id_base'] ] ) ) { |
| 383 |
// Class-based widget. |
| 384 |
$update_control = $wp_registered_widget_updates[ $input_widget['id_base'] ]; |
| 385 |
if ( ! isset( $input_widget['id'] ) ) { |
| 386 |
$number = $this->get_last_number_for_widget( $input_widget['id_base'] ) + 1; |
| 387 |
$id = $input_widget['id_base'] . '-' . $number; |
| 388 |
|
| 389 |
$input_widget['id'] = $id; |
| 390 |
$input_widget['number'] = $number; |
| 391 |
} |
| 392 |
$field = 'widget-' . $input_widget['id_base']; |
| 393 |
$number = $input_widget['number']; |
| 394 |
$_POST = $input_widget; |
| 395 |
$_POST[ $field ][ $number ] = wp_slash( $input_widget['settings'] ); |
| 396 |
call_user_func( $update_control['callback'] ); |
| 397 |
$update_control['callback'][0]->updated = false; |
| 398 |
|
| 399 |
// Just because we saved new widget doesn't mean it was added to $wp_registered_widgets. |
| 400 |
// Let's make sure it's there so that it's included in the response. |
| 401 |
if ( ! isset( $wp_registered_widgets[ $input_widget['id'] ] ) || 1 === $number ) { |
| 402 |
$widget_class = get_class( $update_control['callback'][0] ); |
| 403 |
$new_object = new $widget_class( |
| 404 |
$input_widget['id_base'], |
| 405 |
$input_widget['name'], |
| 406 |
$input_widget['settings'] |
| 407 |
); |
| 408 |
$new_object->_set( $number ); |
| 409 |
$new_object->_register(); |
| 410 |
} |
| 411 |
} else { |
| 412 |
$registered_widget_id = null; |
| 413 |
if ( isset( $wp_registered_widget_updates[ $input_widget['id'] ] ) ) { |
| 414 |
$registered_widget_id = $input_widget['id']; |
| 415 |
} else { |
| 416 |
$numberless_id = substr( $input_widget['id'], 0, strrpos( $input_widget['id'], '-' ) ); |
| 417 |
if ( isset( $wp_registered_widget_updates[ $numberless_id ] ) ) { |
| 418 |
$registered_widget_id = $numberless_id; |
| 419 |
} |
| 420 |
} |
| 421 |
|
| 422 |
if ( $registered_widget_id ) { |
| 423 |
// Old-style widget. |
| 424 |
$update_control = $wp_registered_widget_updates[ $registered_widget_id ]; |
| 425 |
$_POST = wp_slash( $input_widget['settings'] ); |
| 426 |
call_user_func( $update_control['callback'] ); |
| 427 |
} |
| 428 |
} |
| 429 |
ob_end_clean(); |
| 430 |
|
| 431 |
return $input_widget['id']; |
| 432 |
} |
| 433 |
|
| 434 |
/** |
| 435 |
* Gets the last number used by the given widget. |
| 436 |
* |
| 437 |
* @param string $id_base The widget id base. |
| 438 |
* @return int The last number, or zero if the widget has not been used. |
| 439 |
*/ |
| 440 |
protected function get_last_number_for_widget( $id_base ) { |
| 441 |
global $wp_registered_widget_updates; |
| 442 |
|
| 443 |
if ( ! is_array( $wp_registered_widget_updates[ $id_base ]['callback'] ) ) { |
| 444 |
return 0; |
| 445 |
} |
| 446 |
|
| 447 |
if ( ! $wp_registered_widget_updates[ $id_base ]['callback'][0] instanceof WP_Widget ) { |
| 448 |
return 0; |
| 449 |
} |
| 450 |
|
| 451 |
$widget = $wp_registered_widget_updates[ $id_base ]['callback'][0]; |
| 452 |
$instances = array_filter( $widget->get_settings(), 'is_numeric', ARRAY_FILTER_USE_KEY ); |
| 453 |
|
| 454 |
if ( ! $instances ) { |
| 455 |
return 0; |
| 456 |
} |
| 457 |
|
| 458 |
return $widget->number; |
| 459 |
} |
| 460 |
|
| 461 |
/** |
| 462 |
* Prepares the widget for the REST response. |
| 463 |
* |
| 464 |
* @since 5.6.0 |
| 465 |
* |
| 466 |
* @param array $item An array containing a widget_id and sidebar_id. |
| 467 |
* @param WP_REST_Request $request Request object. |
| 468 |
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure. |
| 469 |
*/ |
| 470 |
public function prepare_item_for_response( $item, $request ) { |
| 471 |
global $wp_registered_widgets, $wp_registered_sidebars, $wp_registered_widget_controls; |
| 472 |
|
| 473 |
$widget_id = $item['widget_id']; |
| 474 |
$sidebar_id = $item['sidebar_id']; |
| 475 |
|
| 476 |
if ( ! isset( $wp_registered_widgets[ $widget_id ] ) ) { |
| 477 |
return new WP_Error( 'rest_invalid_widget', __( 'The requested widget is invalid.', 'gutenberg' ), array( 'status' => 500 ) ); |
| 478 |
} |
| 479 |
|
| 480 |
$fields = $this->get_fields_for_response( $request ); |
| 481 |
|
| 482 |
if ( isset( $wp_registered_sidebars[ $sidebar_id ] ) ) { |
| 483 |
$registered_sidebar = $wp_registered_sidebars[ $sidebar_id ]; |
| 484 |
} elseif ( 'wp_inactive_widgets' === $sidebar_id ) { |
| 485 |
$registered_sidebar = array(); |
| 486 |
} else { |
| 487 |
$registered_sidebar = null; |
| 488 |
} |
| 489 |
|
| 490 |
$widget = $wp_registered_widgets[ $widget_id ]; |
| 491 |
$prepared = array( |
| 492 |
'id' => $widget_id, |
| 493 |
'id_base' => '', |
| 494 |
'sidebar' => $sidebar_id, |
| 495 |
'widget_class' => '', |
| 496 |
'name' => $widget['name'], |
| 497 |
'description' => ! empty( $widget['description'] ) ? $widget['description'] : '', |
| 498 |
'number' => 0, |
| 499 |
'rendered' => '', |
| 500 |
'rendered_form' => '', |
| 501 |
'settings' => array(), |
| 502 |
); |
| 503 |
|
| 504 |
// Get the widget output. |
| 505 |
if ( is_callable( $widget['callback'] ) && rest_is_field_included( 'rendered', $fields ) && 'wp_inactive_widgets' !== $sidebar_id ) { |
| 506 |
// @note: everything up to ob_start is taken from the dynamic_sidebar function. |
| 507 |
$widget_parameters = array_merge( |
| 508 |
array( |
| 509 |
array_merge( |
| 510 |
(array) $registered_sidebar, |
| 511 |
array( |
| 512 |
'widget_id' => $widget_id, |
| 513 |
'widget_name' => $widget['name'], |
| 514 |
) |
| 515 |
), |
| 516 |
), |
| 517 |
(array) $widget['params'] |
| 518 |
); |
| 519 |
|
| 520 |
$classname = ''; |
| 521 |
foreach ( (array) $widget['classname'] as $cn ) { |
| 522 |
if ( is_string( $cn ) ) { |
| 523 |
$classname .= '_' . $cn; |
| 524 |
} elseif ( is_object( $cn ) ) { |
| 525 |
$classname .= '_' . get_class( $cn ); |
| 526 |
} |
| 527 |
} |
| 528 |
$classname = ltrim( $classname, '_' ); |
| 529 |
if ( isset( $widget_parameters[0]['before_widget'] ) ) { |
| 530 |
$widget_parameters[0]['before_widget'] = sprintf( |
| 531 |
$widget_parameters[0]['before_widget'], |
| 532 |
$widget_id, |
| 533 |
$classname |
| 534 |
); |
| 535 |
} |
| 536 |
|
| 537 |
ob_start(); |
| 538 |
call_user_func_array( $widget['callback'], $widget_parameters ); |
| 539 |
$prepared['rendered'] = trim( ob_get_clean() ); |
| 540 |
} |
| 541 |
|
| 542 |
if ( is_array( $widget['callback'] ) && isset( $widget['callback'][0] ) ) { |
| 543 |
$instance = $widget['callback'][0]; |
| 544 |
$prepared['widget_class'] = get_class( $instance ); |
| 545 |
$prepared['settings'] = $this->get_sidebar_widget_instance( |
| 546 |
$registered_sidebar, |
| 547 |
$widget_id |
| 548 |
); |
| 549 |
$prepared['number'] = (int) $widget['params'][0]['number']; |
| 550 |
$prepared['id_base'] = $instance->id_base; |
| 551 |
} |
| 552 |
|
| 553 |
if ( |
| 554 |
rest_is_field_included( 'rendered_form', $fields ) && |
| 555 |
isset( $wp_registered_widget_controls[ $widget_id ]['callback'] ) |
| 556 |
) { |
| 557 |
$control = $wp_registered_widget_controls[ $widget_id ]; |
| 558 |
$arguments = array(); |
| 559 |
if ( ! empty( $prepared['number'] ) ) { |
| 560 |
$arguments[0] = array( 'number' => $prepared['number'] ); |
| 561 |
} |
| 562 |
ob_start(); |
| 563 |
call_user_func_array( $control['callback'], $arguments ); |
| 564 |
$prepared['rendered_form'] = trim( ob_get_clean() ); |
| 565 |
} |
| 566 |
|
| 567 |
$context = ! empty( $request['context'] ) ? $request['context'] : 'view'; |
| 568 |
$prepared = $this->add_additional_fields_to_object( $prepared, $request ); |
| 569 |
$prepared = $this->filter_response_by_context( $prepared, $context ); |
| 570 |
|
| 571 |
$response = rest_ensure_response( $prepared ); |
| 572 |
|
| 573 |
$response->add_links( $this->prepare_links( $prepared ) ); |
| 574 |
|
| 575 |
/** |
| 576 |
* Filter widget REST API response. |
| 577 |
* |
| 578 |
* @param WP_REST_Response $response The response object. |
| 579 |
* @param array $prepared Widget data. |
| 580 |
* @param WP_REST_Request $request Request used to generate the response. |
| 581 |
*/ |
| 582 |
return apply_filters( 'rest_prepare_widget', $response, $prepared, $request ); |
| 583 |
} |
| 584 |
|
| 585 |
/** |
| 586 |
* Prepares links for the request. |
| 587 |
* |
| 588 |
* @param array $prepared Widget. |
| 589 |
* @return array Links for the given widget. |
| 590 |
*/ |
| 591 |
protected function prepare_links( $prepared ) { |
| 592 |
$id_base = ( ! empty( $prepared['id_base'] ) ) ? $prepared['id_base'] : $prepared['id']; |
| 593 |
|
| 594 |
return array( |
| 595 |
'collection' => array( |
| 596 |
'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ), |
| 597 |
), |
| 598 |
'self' => array( |
| 599 |
'href' => rest_url( sprintf( '%s/%s/%s', $this->namespace, $this->rest_base, $prepared['id'] ) ), |
| 600 |
), |
| 601 |
'about' => array( |
| 602 |
'href' => rest_url( sprintf( 'wp/v2/widget-types/%s', $id_base ) ), |
| 603 |
'embeddable' => true, |
| 604 |
), |
| 605 |
'https://api.w.org/sidebar' => array( |
| 606 |
'href' => rest_url( sprintf( 'wp/v2/sidebars/%s/', $prepared['sidebar'] ) ), |
| 607 |
), |
| 608 |
); |
| 609 |
} |
| 610 |
|
| 611 |
/** |
| 612 |
* Retrieves a widget instance. |
| 613 |
* |
| 614 |
* @param array $sidebar sidebar data available at $wp_registered_sidebars. |
| 615 |
* @param string $id Identifier of the widget instance. |
| 616 |
* |
| 617 |
* @return array Array containing the widget instance. |
| 618 |
*/ |
| 619 |
protected function get_sidebar_widget_instance( $sidebar, $id ) { |
| 620 |
list( $object, $number, $name ) = $this->get_widget_info( $id ); |
| 621 |
if ( ! $object ) { |
| 622 |
return array(); |
| 623 |
} |
| 624 |
|
| 625 |
$object->_set( $number ); |
| 626 |
|
| 627 |
$instances = $object->get_settings(); |
| 628 |
$instance = $instances[ $number ]; |
| 629 |
|
| 630 |
$args = array_merge( |
| 631 |
is_array( $sidebar ) ? $sidebar : array(), |
| 632 |
array( |
| 633 |
'widget_id' => $id, |
| 634 |
'widget_name' => $name, |
| 635 |
) |
| 636 |
); |
| 637 |
|
| 638 |
/** This filter is documented in wp-includes/class-wp-widget.php */ |
| 639 |
$instance = apply_filters( 'widget_display_callback', $instance, $object, $args ); |
| 640 |
|
| 641 |
if ( false === $instance ) { |
| 642 |
return array(); |
| 643 |
} |
| 644 |
|
| 645 |
return $instance; |
| 646 |
} |
| 647 |
|
| 648 |
/** |
| 649 |
* Given a widget id returns an array containing information about the widget. |
| 650 |
* |
| 651 |
* @param string $widget_id Identifier of the widget. |
| 652 |
* |
| 653 |
* @return array Array containing the the widget object, the number, and the name. |
| 654 |
*/ |
| 655 |
protected function get_widget_info( $widget_id ) { |
| 656 |
global $wp_registered_widgets; |
| 657 |
|
| 658 |
if ( |
| 659 |
! is_array( $wp_registered_widgets[ $widget_id ]['callback'] ) || |
| 660 |
! isset( $wp_registered_widgets[ $widget_id ]['callback'][0] ) || |
| 661 |
! isset( $wp_registered_widgets[ $widget_id ]['params'][0]['number'] ) || |
| 662 |
! isset( $wp_registered_widgets[ $widget_id ]['name'] ) || |
| 663 |
! ( $wp_registered_widgets[ $widget_id ]['callback'][0] instanceof WP_Widget ) |
| 664 |
) { |
| 665 |
return array( null, null, null ); |
| 666 |
} |
| 667 |
|
| 668 |
$object = $wp_registered_widgets[ $widget_id ]['callback'][0]; |
| 669 |
$number = $wp_registered_widgets[ $widget_id ]['params'][0]['number']; |
| 670 |
$name = $wp_registered_widgets[ $widget_id ]['name']; |
| 671 |
|
| 672 |
return array( $object, $number, $name ); |
| 673 |
} |
| 674 |
|
| 675 |
/** |
| 676 |
* Checks if the given widget id is a reference widget, ie one that does not use WP_Widget. |
| 677 |
* |
| 678 |
* @since 5.6.0 |
| 679 |
* |
| 680 |
* @param string $widget_id The widget id to check. |
| 681 |
* @return bool Whether this is a reference widget or not. |
| 682 |
*/ |
| 683 |
protected function is_reference_widget( $widget_id ) { |
| 684 |
list ( $object ) = $this->get_widget_info( $widget_id ); |
| 685 |
|
| 686 |
return ! $object instanceof WP_Widget; |
| 687 |
} |
| 688 |
|
| 689 |
/** |
| 690 |
* Gets the list of collection params. |
| 691 |
* |
| 692 |
* @since 5.6.0 |
| 693 |
* |
| 694 |
* @return array[] |
| 695 |
*/ |
| 696 |
public function get_collection_params() { |
| 697 |
return array( |
| 698 |
'context' => $this->get_context_param( array( 'default' => 'view' ) ), |
| 699 |
'sidebar' => array( |
| 700 |
'description' => __( 'The sidebar to return widgets for.', 'gutenberg' ), |
| 701 |
'type' => 'string', |
| 702 |
), |
| 703 |
); |
| 704 |
} |
| 705 |
|
| 706 |
/** |
| 707 |
* Retrieves the widget's schema, conforming to JSON Schema. |
| 708 |
* |
| 709 |
* @since 5.6.0 |
| 710 |
* |
| 711 |
* @return array Item schema data. |
| 712 |
*/ |
| 713 |
public function get_item_schema() { |
| 714 |
if ( $this->schema ) { |
| 715 |
return $this->add_additional_fields_schema( $this->schema ); |
| 716 |
} |
| 717 |
|
| 718 |
$this->schema = array( |
| 719 |
'$schema' => 'http://json-schema.org/draft-04/schema#', |
| 720 |
'title' => 'widget', |
| 721 |
'type' => 'object', |
| 722 |
'properties' => array( |
| 723 |
'id' => array( |
| 724 |
'description' => __( 'Unique identifier for the widget.', 'gutenberg' ), |
| 725 |
'type' => 'string', |
| 726 |
'context' => array( 'view', 'edit', 'embed' ), |
| 727 |
), |
| 728 |
'id_base' => array( |
| 729 |
'description' => __( 'Type of widget for the object.', 'gutenberg' ), |
| 730 |
'type' => 'string', |
| 731 |
'context' => array( 'view', 'edit', 'embed' ), |
| 732 |
), |
| 733 |
'sidebar' => array( |
| 734 |
'description' => __( 'The sidebar the widget belongs to.', 'gutenberg' ), |
| 735 |
'type' => 'string', |
| 736 |
'default' => 'wp_inactive_widgets', |
| 737 |
'required' => true, |
| 738 |
'context' => array( 'view', 'edit', 'embed' ), |
| 739 |
), |
| 740 |
'widget_class' => array( |
| 741 |
'description' => __( 'Class name of the widget implementation.', 'gutenberg' ), |
| 742 |
'type' => 'string', |
| 743 |
'context' => array( 'view', 'edit', 'embed' ), |
| 744 |
), |
| 745 |
'name' => array( |
| 746 |
'description' => __( 'Name of the widget.', 'gutenberg' ), |
| 747 |
'type' => 'string', |
| 748 |
'context' => array( 'view', 'edit', 'embed' ), |
| 749 |
), |
| 750 |
'description' => array( |
| 751 |
'description' => __( 'Description of the widget.', 'gutenberg' ), |
| 752 |
'type' => 'string', |
| 753 |
'context' => array( 'view', 'edit', 'embed' ), |
| 754 |
), |
| 755 |
'number' => array( |
| 756 |
'description' => __( 'Number of the widget.', 'gutenberg' ), |
| 757 |
'type' => 'integer', |
| 758 |
'context' => array( 'view', 'edit', 'embed' ), |
| 759 |
), |
| 760 |
'rendered' => array( |
| 761 |
'description' => __( 'HTML representation of the widget.', 'gutenberg' ), |
| 762 |
'type' => 'string', |
| 763 |
'context' => array( 'view', 'edit', 'embed' ), |
| 764 |
'readonly' => true, |
| 765 |
), |
| 766 |
'rendered_form' => array( |
| 767 |
'description' => __( 'HTML representation of the widget admin form.', 'gutenberg' ), |
| 768 |
'type' => 'string', |
| 769 |
'context' => array( 'edit' ), |
| 770 |
'readonly' => true, |
| 771 |
), |
| 772 |
'settings' => array( |
| 773 |
'description' => __( 'Settings of the widget.', 'gutenberg' ), |
| 774 |
'type' => 'object', |
| 775 |
'context' => array( 'view', 'edit', 'embed' ), |
| 776 |
'default' => array(), |
| 777 |
), |
| 778 |
), |
| 779 |
); |
| 780 |
|
| 781 |
return $this->add_additional_fields_schema( $this->schema ); |
| 782 |
} |
| 783 |
} |
| 784 |
|
